Luminox Watch Bear Grylls Survival Air XB.3762. This 45 mm stainless steel AIR timepiece comes on a stainless steel Milanese mesh bracelet, with a striking black dial. Water-resistant to 200 meters, this watch is perfect for any Bear Grylls type adventure, anywhere in the world. The screw-down crown has an orange rubber ring, for better grip, and the color matches the logos on the dial and the GMT hand.